---> uname -a: Linux prd-ubuntu2204-docker-4c-4g-441587 5.15.0-171-generic #181-Ubuntu SMP Fri Feb 6 22:44:50 UTC 2026 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 40 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Vendor ID: AuthenticAMD Model name: AMD EPYC-Rome Processor CPU family: 23 Model: 49 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 Stepping: 0 BogoMIPS: 5599.99 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 clzero xsaveerptr wbnoinvd arat npt nrip_save umip rdpid arch_capabilities Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 128 KiB (4 instances) L1i cache: 128 KiB (4 instances) L2 cache: 2 MiB (4 instances) L3 cache: 64 MiB (4 instances) NUMA node(s): 1 NUMA node0 CPU(s): 0-3 Vulnerability Gather data sampling: Not affected Vulnerability Indirect target selection: Not affected Vulnerability Itlb multihit: Not affected Vulnerability L1tf: Not affected Vulnerability Mds: Not affected Vulnerability Meltdown: Not affected Vulnerability Mmio stale data: Not affected Vulnerability Reg file data sampling: Not affected Vulnerability Retbleed: Mitigation; untrained return thunk; SMT disabled Vulnerability Spec rstack overflow: Mitigation; SMT disabled Vulnerability Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Vulnerability Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Vulnerability Spectre v2: Mitigation; Retpolines; IBPB conditional; STIBP disabled; RSB filling; PBRSB-eIBRS Not affected; BHI Not affected Vulnerability Srbds: Not affected Vulnerability Tsa: Not affected Vulnerability Tsx async abort: Not affected Vulnerability Vmscape: Not affected ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on tmpfs 1.6G 1.1M 1.6G 1% /run /dev/vda1 78G 11G 68G 14% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock /dev/vda15 105M 6.1M 99M 6% /boot/efi tmpfs 1.6G 4.0K 1.6G 1% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 15989 643 10430 4 4914 15003 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:7d:22:7c brd ff:ff:ff:ff:ff:ff altname enp0s3 inet 10.30.170.197/23 metric 100 brd 10.30.171.255 scope global dynamic ens3 valid_lft 84590sec preferred_lft 84590sec inet6 fe80::f816:3eff:fe7d:227c/64 scope link valid_lft forever preferred_lft forever 3: docker0: mtu 1458 qdisc noqueue state DOWN group default link/ether ca:bb:12:0b:97:9f brd ff:ff:ff:ff:ff:ff inet 10.250.0.254/24 brd 10.250.0.255 scope global docker0 valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-441587) 03/11/26 _x86_64_ (4 CPU) 10:31:47 LINUX RESTART (4 CPU) 10:40:03 tps rtps wtps dtps bread/s bwrtn/s bdscd/s 10:50:03 26.96 1.10 11.38 14.48 65.77 3036.21 238870.45 11:00:00 29.83 0.73 25.42 3.69 26.04 4217.18 1645.53 Average: 28.39 0.91 18.38 9.10 45.95 3625.23 120552.29 10:40:03 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 10:50:03 10036964 13705972 2251148 13.75 147580 3621344 2766444 15.88 785428 5145960 107384 11:00:00 10736240 15407896 542732 3.31 173476 4531660 1123796 6.45 1050972 4095744 332 Average: 10386602 14556934 1396940 8.53 160528 4076502 1945120 11.16 918200 4620852 53858 10:40:03 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 10:50:03 lo 1.41 1.41 0.15 0.15 0.00 0.00 0.00 0.00 10:50:03 ens3 56.45 44.55 182.77 12.24 0.00 0.00 0.00 0.00 10:50:03 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 11:00:00 lo 1543.34 1543.34 1461.97 1461.97 0.00 0.00 0.00 0.00 11:00:00 ens3 90.76 83.00 415.23 119.66 0.00 0.00 0.00 0.00 11:00:00 docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 Average: lo 770.47 770.47 729.25 729.25 0.00 0.00 0.00 0.00 Average: ens3 73.56 63.72 298.71 65.82 0.00 0.00 0.00 0.00 Average: docker0 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 5.15.0-171-generic (prd-ubuntu2204-docker-4c-4g-441587) 03/11/26 _x86_64_ (4 CPU) 10:31:47 LINUX RESTART (4 CPU) 10:40:03 CPU %user %nice %system %iowait %steal %idle 10:50:03 all 74.69 0.00 2.25 0.04 0.12 22.90 10:50:03 0 74.47 0.00 2.15 0.05 0.12 23.22 10:50:03 1 74.78 0.00 2.38 0.03 0.12 22.69 10:50:03 2 72.64 0.00 2.02 0.03 0.12 25.19 10:50:03 3 76.86 0.00 2.47 0.03 0.12 20.51 11:00:00 all 54.89 0.00 2.31 0.08 0.10 42.62 11:00:00 0 53.78 0.00 2.06 0.09 0.10 43.97 11:00:00 1 51.18 0.00 2.18 0.07 0.10 46.47 11:00:00 2 56.47 0.00 2.32 0.06 0.10 41.05 11:00:00 3 58.13 0.00 2.67 0.10 0.10 38.99 Average: all 64.81 0.00 2.28 0.06 0.11 32.74 Average: 0 64.14 0.00 2.10 0.07 0.11 33.58 Average: 1 63.01 0.00 2.28 0.05 0.11 34.55 Average: 2 64.57 0.00 2.17 0.04 0.11 33.10 Average: 3 67.52 0.00 2.57 0.07 0.11 29.73